1T399 Variable Capacitance Diode Description The 1T399 is a variable capacitance diode designed for the electronic tuning of wide-band CATV tuners, and it has a super miniature package.
Features • Super miniature package • Small series resistance 0.
75 Ω Max.
(f=470 MHz) • Large capacitance ratio 11.
7 Typ.
(C2/C25) 18.
0 Typ.
(C1/C28) • Small leak current 10 nA Max.
(VR=28 V) • Capacitance deviation in a matching group: within 2 % Applications Electronic tuning of wide-band CATV tuners Structure Silicon epitaxial planar-type diode M-235 Absolute Maximum Ratings (Ta=25 °C) • Reverse voltage VR 34 • Operating temperature Topr –20 to +75 • Storage temperature Tstg –65 to +150 V °C °C Electrica...

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